Microsoft on Monday published guidance for a newly discovered zero-day security flaw in its Office productivity suite that could be exploited to achieve code execution on affected systems.

The weakness, now assigned the identifier CVE-2022-30190, is rated 7.8 out of 10 for severity on the CVSS vulnerability scoring system. Microsoft Office versions Office 2013, Office 2016, Office 2019, and Office 2021, as well as Professional Plus editions, are impacted.

To help protect customers, Microsoft published and additional guidance here.

Besides releasing detection rules for Microsoft Defender for Endpoint, the Redmond-based company has offered workarounds in its guidance to disable the MSDT URL protocol via a Windows Registry modification.

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